“无铅焊料”的概念、定义、翻译、参考文献-科学参考

单词	无铅焊料
释义	无铅焊料 Encyclopedia 工学锡合金释 lead-free solder无铅焊料铅含量低于0.1%的软钎料。广义上指不添加铅、银、镉等有害元素的软钎料。
随便看	normal acceleration normal affine scheme normal algebra normal algebraic variety normal algorithm normal alkanes normal analytical zone normal analytic space normal analytic structure normal approximation normal astrograph normal atmospheric temperature transportation normal automorphism normal axonometry normal base normal basis normal basis theorem normal behavior normal bifurcation normal block bundle normal bundle normal bundle of a submanifold normal bus transit normal calculus normal chain

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。